Improvement in refrigerators



E. S. BDOT.

Refrigerators.

Patented Dec. 2,1873.

WITNESSES UNITED STATES PATENT OFFICE.

ERASTUS S. ROOT, OF PROVIDENCE, RHODE ISLAND.

IMPROVEMENT IN RE FRlGERATORSp Specification forming part of Letters Patent No. 145,127, dated December 2, 1873; application filed October 18, 1873.

To all whom it may concern.-

' State of Rhode Island, have invented a new and Improved Refrigerator, of which the following is a specification:

In the accompanying drawing, Figure 1 represents a plan view of my improved refrigerator. with cover thrown open to show interior arrangement; Fig. 2, a vertical central section of the same on the line 0 0, Fig. 1; and Fig. 3, a detail top view of the interior cooler, arranged for an ice-cream freezer.

Similar letters of reference indicate corresponding parts.

The object of my invention is to furnish for family and other use a simple, cheap, and economical refrigerator, which may be arranged with shelves and suitable doors for different purposes, establishing a low and even temperature with a very small consumption of ice.

The invention is an improvement in the class of domestic refrigerators in which the food chambers or receptacles are arranged around a central ice or cooling chamber, as described in the patent of J. L. Tripler, June 24, 1873.

The improvement consists in the construction of the cooler, to be placed within the ordinary rectangular tin-lined box, with food and freezing chamber, arranged as hereinafter described.

In the drawing, A represents the outer box of the refrigerator, lined with tin at the in side, or constructed in any other manner so as to form an eflicient non-conductor of heat.

The cooler B is placed inside of box A, suitably attached to the bottom or sides of the same, and constructed either of round or semicircular, quadrantal, or other shape, according as it is desired to arrange the same in the center, at the side, or corner of box A. Cooler B has a central space or receptacle, B which is .provided with shelves for meats, &c., or otherwise adapted to its purpose. The central space 13 is surrounded by a concentric chamber, B which is filled with small lumps of ice, the melted water being drawn off through a perforation at the bottom to the outside of box A. Chamber 13 1s partly surrounded at its upper half by the segmental concentric chambers B Fig. 1, which are also filled with lumps of ice, and connected suitably with the bottom of box A for drawing off the water. The inner chamber B serves mainly to keep the centlal space B cool, besides cooling with its lower surface the outer box, While the upper segmental chambers 13 are more especially designed to keep box A at the required temperature. Cooler B is made of tin or other suitable material, and may be provided with doors opening to the outside, when arranged at the sides or corners of the refrigerator, so that its central space may be directly accessible from the outside of the box. If placed in the center, its central part is made accessible through a door of the top part or cover of the refrigerator.

Having thus described my invention, I claim as new, and desire to secure by Letters Patnt- The improvement in refrigerators herein described, consisting of the metal cooler B, having the central food-chamber B the surrounding ice-chambers B and the short supplemental ice-chambers B all constructed and arranged as set forth.

ERASTUS S. ROOT.

Witnesses D. B. POTTER, ALBERT D. BEAN, 

